package com.example.demo.controller;

import java.util.ArrayList;
import java.util.List;

public class Hander {
    public static void main(String[] args) {
        Region region=new County();
        List<City> cityList=new ArrayList<>(); List<County> countyList = new ArrayList<>();List<Prov> provList = new ArrayList<>();	;
       // Map<Long, List<County>> countyMap  = region.handleHierachy(cityList, countyList);//设置城市和县区的关系
        //Map<Long, List<City>> cityMap   = region.handleHierachy(provList, cityList);//设置省会和城市的关系
    }
}
